{"apiVersion":"1.0","identifier":"CVE-2026-74469","description":"In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow sctp_assoc_add_peer() increments the association-s 16-bit transport_count for every new unique peer. Adding the 65,536th transport wraps the count to zero. SCTP sock_diag uses transport_count to reserve the INET_DIAG_PEERS payload, then copies one sockaddr_storage for every entry in transport_addr_list. After the wrap, a diagnostic dump reserves an empty payload and writes 8 MiB of peer addresses past the skb tail. Reject a new unique peer when transport_count has reached U16_MAX. Perform the check after the existing-peer lookup so a duplicate address continues to return its existing transport at the limit.","publishedAt":"2026-08-15T13:17:51","lastModifiedAt":"2026-08-19T17:21:03","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74469","cvssScore":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","epssProbability":0.00469,"riskScore":0.92,"affectedProduct":"Linux kernel","affectedVersions":"unknown","vulnerabilityType":"Kernel","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74469","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74469","en":"https://www.redsauce.net/en/cves/CVE-2026-74469","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74469","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74469","de":"https://www.redsauce.net/de/cves/CVE-2026-74469","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74469","el":"https://www.redsauce.net/el/cves/CVE-2026-74469"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74469"}}